OpenTechnical

OT-2026-000018812

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000018812) never changes.

Identity and time

Publication numberOT-2026-000018812 · never reused
Internal UUID01a0ae6e-d521-7a23-a077-cc47242a1d97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018812
StatusPUBLIC

Content hashes

Canonical text55ccd03b50be7e362e59800fc126482b89a79f70a6b5e56796d01f06c839773f
Markdown368828ecf5fea6a163753c94554ffe4b8d56f93071370a82a56993730ab0e2dd
PDF
Publication page381bb55950961f9599e3a887523fb9e86f4dc7ff24fbfad749de1fd53d9f7bd0
Manifeste91dfac36c25ae1734dfa3ea2a7d3888e10a025f9a2ccec98c5802f490c6118b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturerJskh28La5MzwPMhvM4R0In8K8NUXwW7bP8IERb6e3mo9KA/FRJ+CFoura3bUiLojceVm7aTXvaDNeOZ7a9JAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:26.552053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018812
observed 381bb55950961f9599e3a887523fb9e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.534949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018812/manifest.json
observed e91dfac36c25ae1734dfa3ea2a7d3888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.517509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018812/publication.md
observed 368828ecf5fea6a163753c94554ffe4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.500341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018812/publication.txt
observed 55ccd03b50be7e362e59800fc126482b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.